Lesson Plan
Curated OER

Lesson 3: Number Sense

For Teachers 6th - 10th
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
Lesson Plan
Illustrative Mathematics

How Thick Is a Soda Can II?

For Teachers 9th - 12th Standards
Science, technology, and math come together in this one combination exercise. Analyzing the common soda can from both a purely mathematical perspective and a scientific angle allows for a surprisingly sophisticated comparison of...
Worksheet
Curated OER

Estimation and Approximation

For Students 7th - 8th
In this estimation and approximation worksheet, students determine the estimated value of given multiplication and division problems containing decimals. They round answers to the nearest whole number. This two-page worksheet contains 11...
Lesson Plan
Illustrative Mathematics

How Many Cells Are in the Human Body?

For Teachers 9th - 11th Standards
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some...
Lesson Plan
Pennsylvania Department of Education

Freckle Face

For Teachers Pre-K - 2nd
Students collect and record data. For this early data analysis lesson, students gather data about their partners face. As a class, the students use tally marks and pictographs to record the data and answer question about the information...
Lesson Plan
Pennsylvania Department of Education

Order, Order

For Teachers Pre-K - 2nd
Pupils use pictures to identify items as ordinal numbers. In this ordinal numbers lesson plan, students use the words "before" and "after" to identify the pictures as well.